Estimation of Thickness and Radius of Hollow Metallic Spheres With a Simplified Forward Model

Gang Hu; Zihan Xia; Wuliang Yin; Ruochen Huang; Jialong Shen; Shiyu Liu; Ronghua Zhang

doi:10.1109/JSEN.2023.3256360

Estimation of Thickness and Radius of Hollow Metallic Spheres With a Simplified Forward Model

Gang Hu, Zihan Xia, Wuliang Yin, Ruochen Huang, Jialong Shen, Shiyu Liu, Ronghua Zhang

Research output: Contribution to journal › Article › peer-review

Abstract

The measurement of metallic spherical objects in various industrial applications has a significant role in guaranteeing safety and product quality, which can be realized by the eddy-current testing (ECT) technique without contact. In this study, for the measurement of thickness and radius of nonmagnetic spherical shells, the original analytical model is simplified according to the asymptotic forms of the modified spherical Bessel functions. The simplified model contains only elementary functions, and can therefore accelerates the sphere property estimation by employing the optimization approach based on the Newton–Raphson method. In numerical simulation and experimental study, the proposed method can provide accurate spherical shell radii with less computational time compared with the original analytical model.

Original language	English
Pages (from-to)	9402-9409
Journal	IEEE Sensors Journal
Volume	23
Issue number	9
DOIs	https://doi.org/10.1109/JSEN.2023.3256360
Publication status	Published - 16 Mar 2023

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title = "Estimation of Thickness and Radius of Hollow Metallic Spheres With a Simplified Forward Model",

abstract = "The measurement of metallic spherical objects in various industrial applications has a significant role in guaranteeing safety and product quality, which can be realized by the eddy-current testing (ECT) technique without contact. In this study, for the measurement of thickness and radius of nonmagnetic spherical shells, the original analytical model is simplified according to the asymptotic forms of the modified spherical Bessel functions. The simplified model contains only elementary functions, and can therefore accelerates the sphere property estimation by employing the optimization approach based on the Newton–Raphson method. In numerical simulation and experimental study, the proposed method can provide accurate spherical shell radii with less computational time compared with the original analytical model.",

author = "Gang Hu and Zihan Xia and Wuliang Yin and Ruochen Huang and Jialong Shen and Shiyu Liu and Ronghua Zhang",

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T1 - Estimation of Thickness and Radius of Hollow Metallic Spheres With a Simplified Forward Model

AU - Hu, Gang

AU - Xia, Zihan

AU - Yin, Wuliang

AU - Huang, Ruochen

AU - Shen, Jialong

AU - Liu, Shiyu

AU - Zhang, Ronghua

PY - 2023/3/16

Y1 - 2023/3/16

N2 - The measurement of metallic spherical objects in various industrial applications has a significant role in guaranteeing safety and product quality, which can be realized by the eddy-current testing (ECT) technique without contact. In this study, for the measurement of thickness and radius of nonmagnetic spherical shells, the original analytical model is simplified according to the asymptotic forms of the modified spherical Bessel functions. The simplified model contains only elementary functions, and can therefore accelerates the sphere property estimation by employing the optimization approach based on the Newton–Raphson method. In numerical simulation and experimental study, the proposed method can provide accurate spherical shell radii with less computational time compared with the original analytical model.

AB - The measurement of metallic spherical objects in various industrial applications has a significant role in guaranteeing safety and product quality, which can be realized by the eddy-current testing (ECT) technique without contact. In this study, for the measurement of thickness and radius of nonmagnetic spherical shells, the original analytical model is simplified according to the asymptotic forms of the modified spherical Bessel functions. The simplified model contains only elementary functions, and can therefore accelerates the sphere property estimation by employing the optimization approach based on the Newton–Raphson method. In numerical simulation and experimental study, the proposed method can provide accurate spherical shell radii with less computational time compared with the original analytical model.

U2 - 10.1109/JSEN.2023.3256360

DO - 10.1109/JSEN.2023.3256360

M3 - Article

SN - 1530-437X

VL - 23

SP - 9402

EP - 9409

JO - IEEE Sensors Journal

JF - IEEE Sensors Journal

IS - 9

ER -

Estimation of Thickness and Radius of Hollow Metallic Spheres With a Simplified Forward Model

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